PART NO.  SPL.PAGE  DESCRIPTION                                                           
HCZ0414   TC.A.16   Bolt for cover -(thermostat housing, water.pipes, Twin Cam)
HCZ0510   15.F.1    Set srcew for gearbox extension (6) - Com.(G)A916 -(was 7 of HBZ509)-
    (geabox, 1500)
HCZ0510   16.F.1    Screw -extension to casing (6) -(Gearbox assy, 1600 & 1600-MK-II)
HCZ0510   TC.A.12   Bolt -clip and cover to timing case (2) -(cyl.head.covers, engine,
    Twin Cam) Com.(E)556
HCZ0510   TC.A.1    Set screw -rear extension to gearbox (6)-(gearbox assy, Twin Cam)
HCZ0513   TC.A.16   Bolt -elbow to cylinder head (2) -(water.pipes, Twin Cam)
HCZ0514   TC.A.10   Bolt -cable clamp and timing case to engine front plate -(camshaft,
    engine, Twin Cam) Com.(E)556
HCZ0615   16.E.2    Bolt -cylinder to gearbox (2) -(clutch.op.cylinder, 1600)